Problems for source package mkchromecast

Binary Package: mkchromecast-alsa (Version: 0.3.7+git20170130-2)

Priority

According to Policy Section 2.5: Priorities packages MUST NOT depend on packages with lower priority values (excluding build-time dependencies) nor should packages of priority standard (or higher) conflict with each other. In order to ensure this, the priorities of one or more packages must be adjusted.

Package is optional and has a Depends on alsa-tools which is extra on s390x.
Package is optional and has a Depends on alsa-tools which is extra on amd64.
Package is optional and has a Depends on alsa-tools which is extra on mips64el.
Package is optional and has a Depends on alsa-tools which is extra on i386.
Package is optional and has a Depends on alsa-tools which is extra on armhf.
Package is optional and has a Depends on alsa-tools which is extra on mips.
Package is optional and has a Depends on alsa-tools which is extra on arm64.
Package is optional and has a Depends on alsa-tools which is extra on mipsel.
Package is optional and has a Depends on alsa-tools which is extra on armel.
Package is optional and has a Depends on alsa-tools which is extra on ppc64el.

Binary Package: mkchromecast (Version: 0.3.7+git20170130-2)

Priority

According to Policy Section 2.5: Priorities packages MUST NOT depend on packages with lower priority values (excluding build-time dependencies) nor should packages of priority standard (or higher) conflict with each other. In order to ensure this, the priorities of one or more packages must be adjusted.

Package is optional and has a Depends on youtube-dl which is extra on mips.
Package is optional and has a Depends on youtube-dl which is extra on arm64.
Package is optional and has a Depends on youtube-dl which is extra on mipsel.
Package is optional and has a Depends on youtube-dl which is extra on armel.
Package is optional and has a Depends on youtube-dl which is extra on ppc64el.
Package is optional and has a Depends on youtube-dl which is extra on s390x.
Package is optional and has a Depends on youtube-dl which is extra on amd64.
Package is optional and has a Depends on youtube-dl which is extra on mips64el.
Package is optional and has a Depends on youtube-dl which is extra on armhf.
Package is optional and has a Depends on youtube-dl which is extra on i386.

Old Libraries

Package has a Suggests on libav-tools which is in Section oldlibs on mips64el.
Package has a Suggests on libav-tools which is in Section oldlibs on i386.
Package has a Suggests on libav-tools which is in Section oldlibs on armhf.
Package has a Suggests on libav-tools which is in Section oldlibs on amd64.
Package has a Suggests on libav-tools which is in Section oldlibs on s390x.
Package has a Suggests on libav-tools which is in Section oldlibs on armel.
Package has a Suggests on libav-tools which is in Section oldlibs on mipsel.
Package has a Suggests on libav-tools which is in Section oldlibs on mips.
Package has a Suggests on libav-tools which is in Section oldlibs on arm64.
Package has a Suggests on libav-tools which is in Section oldlibs on ppc64el.